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Finding the Third Proportional to 3,254 and 4,145

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Solution

The third proportional to 3,254 and 4,145 is: 5,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254 : 4,145 = 4,145 : x
  2. Step 2: Convert to fraction form
    3,254/4,145 = 4,145/x
  3. Step 3: Cross multiply
    3,254x = 4,145 × 4,145
  4. Step 4: Simplify right side
    3,254x = 17,181,025
  5. Step 5: Solve for x
    x = 17,181,025/3,254
  6. Step 6: Final answer
    x = 5,279.97

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.